>>> simple block quote
>>>
# Foo
bar
baz
>>>

<<<
<blockquote>
<h1>Foo</h1>
<p>bar
baz</p>
</blockquote>
>>> has blank lines
>>>

foo




bar


>>>

<<<
<blockquote>
<p>foo</p>
<p>bar</p>
</blockquote>
>>> with nested block quote
>>>
foo
> bar
>>>

<<<
<blockquote>
<p>foo</p>
<blockquote>
<p>bar</p>
</blockquote>
</blockquote>
>>> with nested indented clode block
>>>
    foo
    bar
>>>

<<<
<blockquote>
<pre><code>foo
bar
</code></pre>
</blockquote>
>>> with nested fenced clode block
>>>
```
foo
bar
```
>>>

<<<
<blockquote>
<pre><code>foo
bar
</code></pre>
</blockquote>
